It's A
Irrigation was overused, the soil didn't get any rest (crop rotation is a younger invention), the result was salinization of the soil, which led to decline of Sumer.
Merchants believed that the slaves were less than animals, therefore they needed less than animal conditions.
The correct answer is.... The Buddha's teaching led people to enlightenment.
Just took a quiz on this, hope it helps
In a letter to the editor of a newspaper since you should sound nice and polite
I think the answer is false.